/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.component.file.strategy;

import java.nio.file.Files;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class FileChangedReadLockMinAgeShortCircuitTest extends ContextTestSupport {

    private static final Logger LOG = LoggerFactory.getLogger(FileChangedReadLockMinAgeShortCircuitTest.class);

    @Override
    @BeforeEach
    public void setUp() throws Exception {
        super.setUp();
        testDirectory("in", true);
        LOG.debug("Writing file...");
        Files.write(testFile("in/file.dat"), "Line".getBytes());
        LOG.debug("Writing file DONE...");
    }

    @Test
    public void testChangedReadLockMinAgeNotAcquired() throws Exception {
        // terminate test quicker
        context.getShutdownStrategy().setTimeout(1);

        // we do not acquire read-lock because the check interval is 10s, so "changed" requires at least a poll of 10s
        // before we can determine that the file has same size as before

        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedMessageCount(0);

        // but the unit test only waits 2 seconds
        mock.assertIsSatisfied(2000);
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                from(fileUri(
                        "in?initialDelay=500&delay=10&readLock=changed&readLockMinAge=1000&readLockCheckInterval=10000&readLockTimeout=20000"))
                        .to(fileUri("out"), "mock:result");
            }
        };
    }
}
